Kybernetes: Volume 16 Issue 4

Contemporary Cybernetics

A computer‐based expert system to help industry diagnose and solve corrosion problems has been developed by the U.K.'s National Physical Laboratory and Harwell's Metals Technology…

SOME FUNDAMENTAL RESULTS ABOUT HARMONIC SYSTEMS

YONGHAO MA, YI LIN

The concept of harmonic systems is introduced from a standpoint of a model of general systems. Systems might be compatible in some respects and incompatible in others; this…

AN OVERVIEW OF CASSANDRA‐II

IAIN D. CRAIG

A brief non‐technical overview of the CASSANDRA‐II system is presented. The system performs knowledge‐based monitoring of aircraft movements in controlled airspace, and reports…

IMAGE RESTORATION USING THE MUTUAL INFORMATION PRINCIPLE

RALLIS C. PAPADEMETRIOU, THOMAS J. KETSEOGLOU, NICOLAOS S. TZANNES

Multiple Information Principle (MIP) is reviewed as a method of assigning a prior probability mass of density function to a random variable in the presence of some prior…

THE MANAGERIAL VIEWPOINT IN INTERACTIVE PROGRAMMING WITH MULTIPLE OBJECTIVES

E. KASANEN, R. ÖSTERMARK

An interactive multiple criteria method for managerial decision support is presented. The approach used is aimed at meeting some of the key requirements placed on multiple…

SOCIAL WELFARE FUNCTIONS IN A FUZZY ENVIRONMENT

F.J. MONTERO

Fuzzy preference relations are considered and the concept of “fuzzy acyclity” is defined in order to measure their rationality. Such a concept is applied to study the properties…

A FIVE COMPARTMENT LINEAR MAMMILLARY MODEL

Y. CHERRUAULT, V.B. SARIN

Compartmental models allow us to visualise the behaviour of phenomena and simplify the formulation of some equations related to such systems. Mammillary systems are among the most…

TECHNOLOGICAL CHANGES AND DEVELOPING COUNTRIES: A VIEWPOINT

JOHN C. PAPAGEORGIOU, THALIA PAPAGEORGIOU

Less developed countries are confronted with the problem of choosing among the different options of available technologies those that will lead them to the achievement of their…